Home / 234,322.20-323,360.64-126,891.36

Finding the Fourth Proportional to 234,322.20, 323,360.64 and 126,891.36

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Solution

The fourth proportional to 234,322.20, 323,360.64 and 126,891.36 is: 175,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,322.20 : 323,360.64 = 126,891.36 : x
  2. Step 2: Convert to fraction form
    234,322.20/323,360.64 = 126,891.36/x
  3. Step 3: Cross multiply
    234,322.20x = 323,360.64 × 126,891.36
  4. Step 4: Simplify right side
    234,322.20x = 41,031,671,380.07
  5. Step 5: Solve for x
    x = 41,031,671,380.07/234,322.20
  6. Step 6: Final answer
    x = 175,107.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.